UNSPSC 51441900: Benzoic acid-based medical imaging agents, media, and tracers

This classification denotes a variety of compounds and preparations that are sensitive to frequencies or rays common in nuclear medicine that empower practitioners to differentiate between cell or tissue types, or to bring to focus one cell or tissue type over another, and to thus examine internal body parts or systems, typically for diagnostic purposes, and which are based in part or whole on the molecular formula C7H6O2, chemically known as 3-Acetamido-2,4,6-triiodobenzoic acid, and commonly known as Benzoic acid, thus the term BENZOIC ACID-BASED MEDICAL IMAGING AGENTS, MEDIA, AND TRACERS.

UNSPSC 51441900 Benzoic acid-based medical imaging agents, media, and tracers is a Class code that nominally covers specialized chemical imaging compounds, yet recent state and local solicitations show the code is being applied inconsistently to radiologic and X-ray equipment procurement and maintenance — a scope mismatch that signals limited opportunity alignment under this code's intended definition. The few recent postings show county purchasing offices and regional aviation departments soliciting radiologic inspection systems, extended warranty coverage for X-ray machines, and radiologic equipment installation. The issuing bodies are primarily county-level agencies: Maricopa County, Escambia County Correction, Broward County Aviation Department, and Pasco County. Work spans equipment acquisition, proprietary maintenance contracts, warranty extensions, and service plan validation, but these are hardware and service procurements rather than benzoic acid–based imaging media or tracers.

Recent activity concentrates in Florida (Escambia, Broward, and Pasco counties) and Arizona (Maricopa County). Representative solicitations include Maricopa County IFB 362910, an open invitation for radiologic equipment and installation at three colleges with proposals due October 22, 2026; Escambia County Correction SSCORALM2526005, a sole-source procurement for extended warranty coverage on X-ray machines with proposals due August 19, 2026; and Broward County Aviation Department BLD2132311F1, an RFI issued June 25, 2026 (responses due July 28, 2026) to determine whether maintenance services for Rapiscan X-ray inspection systems are available from competing suppliers or whether the sole-source designation should stand. The divergence between the code's nominal scope and the equipment-centric work actually being tagged under it suggests this code sees minimal activity in its intended chemistry and imaging-agent categories within state and local procurement.